ChmPlus Pro vs Manga Viewer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ChmPlus Pro
This app allows you to read and manage various document formats, including CHM and EPUB ebooks. It offers features like highlighting, bookmarking, searching, and file transfer. Secure your documents with a passcode lock and organize your files with ease.
- CHM/EPUB document reading
- Highlight, bookmark, and annotate
- Document-wide search
- Wi-Fi and iTunes file transfer
- Passcode lock for files
- Support for multiple file types
- Create and edit text documents
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ChmPlus Reader (CHM+) is a feature-rich CHM (Microsoft Compiled HTML Help) document/ebook reader for iPhone/iPad. ChmPlus Reader now supports passcode lock! CHM/EPUB Document Support: • Highlight / bookmark / annotation • Search (find on page & document-wide search) • Open CHM files instantly (even with huge files) • Supports CHM files in different languages • Supports pinch to zoom • Navigate through table of contents • Supports full screen mode • Supports auto rotation and orientation lock • Long press on an image to: 1) save the image to photo album 2) copy the image to clipboard (and paste it into your email) • Night mode (white text on black background) File Management: • Transfer files via Wi-Fi (FTP & HTTP) / iTunes File Sharing • Create/copy/move/rename/delete files and folders • Passcode lock • Support opening document with other applications • Import documents from other applications • Create/edit text documents • Send multiple Email attachments • Create .zip archives • Save image to Photos • Browse and manage remote files (FTP/FTPS, SFTP and WebDAV) Supported File Types: • .chm (Microsoft Compiled HTML Help) • .epub (electronic publication) • MS Office - .doc, .ppt., .xls, .docx, .xlsx, .pptx • iWork '08/'09 (Pages, Numbers, Keynote) • PDF, HTML, RTF, .mht, Safari webarchives and text files • .zip, .rar, .7z, .bz2, .gz, .tar and various other archive file types • High resolution images • Audio and video ==SUPPORT== - https://langui.net/chmplus/
Manga Viewer
This app allows you to view comic and fictional image archives on your smartphone. It supports various compressed file formats and image types, with options for cloud import and PC transfer via WiFi. Enjoy features like page view modes, image filters, and iCloud sync for a seamless reading experience.
- Supports zip, rar, 7z, cbz, cbr, cb7 compressed files
- PDF and TIF/TIFF file support
- Upload via PC web browser (WIFI)
- Import from cloud apps (iCloud, Dropbox, Box)
- FTP and SSHFTP support
- One page and two page view modes
- Night mode and image brightness adjustment
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The simplest viewer app for viewing comic, fictional image archives Such as a cartoon or a novel, on a smartphone You can see it anywhere. Now that you've installed the app Try transferring files on your PC with WiFi * Some functions may not be supported on Mac(Apple Silicon) ** Characteristic ** - zip, rar, 7z, cbz, cbr, cb7 compressed files are supported (png, jpeg, jpg, gif, bmp, tif, tiff, jxl(iOS 26+), heif(iOS 18+) extension images are included, webp format is supported from iOS14) - Support for locked files (zip, rar, 7z, pdf) - PDF file support - TIF/TIFF file support (like PDF file, change in settings) - Upload via PC web browser (WIFI) - Import files from cloud apps such as iCloud, dropbox, circle drive, and Box - FTP support: browse, download - SSHFTP support - Secure FTP not supported - Cloud apps support file copy from mail attachments - one page view, two page view - Sharpen image filter - IPhone, iPad, Mac(Apple Silicon) support - Rotate the screen both horizontally and vertically - Image next page Zoom-in keep-alive function: Apply the previous book's zoom-in status in the following book. Please change your settings. - Screen off option: When set to ON, the screen automatically turns off at the time the device turns off. - Last file view, On / Off in setting - Next book auto-switching options: If you automatically change the next book switching option in Settings, tabs on the last page will automatically switch to the next book. (Default manual) - iCloud Sync : Synchronize the information (read location) of the read file and open the same file on another device (signed in with the same iCloud account) so that you can see it again. - Two pages in landscape mode: Two pages in landscape rotation, one page in vertical rotation, iPad only -Vertical scroll mode (= webtoon mode): scrolls vertically like webtoons, one-page mode is fixed, and some options are fixed and not applied. - Image / PDF Night mode: Invert color / Image brightness (1 to 3 steps), in-app purchase required - Night Mode - Invert Color: Invert the white background to black (gray) and black to white. This mode is suitable for viewing novels. - Night Mode - Image Brightness: You can change the brightness of the image in three steps without changing the screen brightness of the device. - Bluetooth keyboard: Supports page switching and screen closing function, direction key (asdw) page switch, ESC key viewer screen close (in-app purchase required) - A function that changes to the next page when the volume is changed. (The sound size will change as well. Please be careful. ON / OFF in setting. Need an in-app purchase or reward view.) - Blink: Recognizes eye blinks to switch pages (iPhone only, iOS 18+, in-app purchase required) - Automatic Image Crop: Automatically crops the empty space on all four sides of images with a white background. (iOS 16+, in-app purchase required) - Content Color: You can change and unify the content (pictures or text) within the image to a single color. A background color is applied to the image background excluding the content (In-app purchase required) - Select text: Long-click to select text within a page and copy, search, translate, or share (iOS 18+, in-app purchase required) Please send bugs or suggestions to junhuloveapple@gmail.com at the top right of the setting screen.
Screenshots
Verdict
The clearest difference is price: Manga Viewer at Free against ChmPlus Pro's $6.99. Manga Viewer also leads on rating (4.8 vs 2.7) and review sentiment (82% vs 54%). ChmPlus Pro's advantage is in-app purchases (none vs 5) and ads (none vs shown). On update cadence and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Manga Viewer is free to download; ChmPlus Pro costs $6.99 up front. Manga Viewer sells 5 one-off in-app purchases. ChmPlus Pro asks for nothing beyond the download.
Manga Viewer holds the better App Store score, 4.8 against 2.7. That said, the two scores are not equally well evidenced: Manga Viewer has 346 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 54% of ChmPlus Pro's written reviews are positive against 82% of Manga Viewer's.
ChmPlus Pro ships an update every 9 days, Manga Viewer weekly. The most recent releases landed on September 25, 2026 and September 22, 2026 respectively.
| Parameter | ChmPlus Pro | Manga Viewer |
|---|---|---|
| Price | $6.99 | Free — better |
| Rating | 2.7 (9 ratings) | 4.8 (346 ratings) — better |
| Positive reviews | 54.5% of reviews | 82.5% of reviews — better |
| Number of ratings | 9 | 346 — better |
| Update frequency | Every 9 days | Weekly — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 10 MB | 95 MB |
| Age rating | 4+ | 4+ |
| Developer | 兰桂 吴 | kim juyoung |
Customer experience
ChmPlus Pro
Manga Viewer
Bugs and requests
ChmPlus Pro
Reported bugs
33 issues- Chinese characters displayed as garbled text (亂碼)
- Search feature broken for numbers (recent)
- Copying is slow
- App crashes when searching
- Editing text feature removed after update
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- Some CHM files cannot be fully opened
- Highlighting not working or disappearing
- PDF navigation issues
- Page turning is laggy
- App locks up or freezes
- Black screen or screen jumping issues
- Subdirectories cannot be opened
- MHT file errors
- Frequent crashes with large PDFs or highlighting
- Table of contents not permanently displayed
- Cannot display secondary windows
- Slow highlighting/selection
- Swipe to turn page not working
- Text smudging after zooming on iOS 7
- Highlighting not saving
- App crashes when defining words
- App jumps to the beginning of text
- Live search on page is too slow
- Highlight option not working properly
- Notes disappear after reopening
- Chapters change spontaneously
- Cannot delete folders
- App freezes when using highlighting
- PDF is read-only
- Pixelated icons on new iPads
- No function for CHM-Files (no content shown)
- Search function not working for CHM files
- Unhighlight words after search
Requested features
33 requests- Adjustable font size
- PDF left-right page turning
- EPUB file support
- Expand/collapse table of contents
- Adapt to full-screen displays
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- Highlighting for PDF and EPUB
- Freehand annotation/drawing
- Split screen for notes
- Add folders via iTunes library
- Dark mode/night viewing
- Private lock for files
- Support for .rar and .zip files
- Reading .cbr files
- Better iOS 7 adaptation
- Continuous scrolling
- Font selection and line spacing adjustments
- Copy annotations to PC
- Export feature
- Open .rar and .zip
- Read .cbr
- Develop for iOS 7
- Block orientation defective
- Font selection
- No refund option
- Move files within folders
- Better UI/shelf-like appearance
- Add .mobi file support
- Built-in browser
- Unhighlight words after search
- Add private lock
- Search all over a document
- Add folder support on iTunes library
- Inverse background mode for night time viewing
Manga Viewer
Not enough reviews yet to summarise bugs or requests.
In-app purchases
ChmPlus Pro
No in-app purchases
Manga Viewer
- Sponsor 1$0.99
- Sponsor 2$1.99
- Remove app ads$1.99
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- Sponsor 3$3.99
- Sponsor 4$7.99









